Fit GuideFits true to size. Size up for a looser fit. Benefits UPF 50+ rating blocks harmful sun rays. Antimicrobial treatment maintains freshness during high output activity. FLORENCE logo down wearer's left arm. Engineered stretch. 'EQUIPMENT MODERN' reflective heat transfer Breathable, antimicrobial armpit panels keep you feeling fresh. Quick dry fabric wicks moisture. Yellow utility 'locker' loop helps you hang your garment to dry to extend its longevity. Set on / raglan sleeves improve fit and flexibility. OEKO-TEX® certified. Details Body: 100% Recycled Polyester Side Panels: 100% Polyester Machine Wash. Line Dry. Imported. The Florence Long Sleeve UPF Shirt features a 50+ UPF rating, moisture-wicking fabric to keep you cool and a 4-way stretch knit construction that is designed to prevent 'bagging out' if you jump in the water after a long trek. BUILT FOR: SUN PROTECTION, SAILING, HIKING, FISHING